Noteworthy+ is a note-taking application that can be easily launched from the menu bar. From up there, you can create new notes and browse the ones that you have previously created.
To create a note, all you need to do is click the Noteworthy+ icon and start typing. Two things will then happen. Either what you typed will be found in one of your previous notes so that you can access it, or no results will be found, in which case you can press on Cmd+Enter and a new note will be created. This text field combines both a search feature and is the place where you type new notes.
At first, I didn't find this way of creating notes very intuitive but I got used to it really fast. Talking about speed, it is very nice to see how quickly you can switch to Noteworthy+, create a note, and go back to what you were doing. And this is really important. If a note-taking application is taking a lot of time to load or to create a note, it really defines its purpose and this application is just a breeze to work with.
So, in conclusion, if all that you need is an application that you can resort to when you need to write something down, Noteworthy+ is ideal. It also has other features like support for font formatting, a built-in search feature and note exporting to HTML.